Dewatering agents

Details Dewatering agents Dewatering agents

1986-04-14

1987-12-15

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210735, C02F 1114

Patent

active

047131780

ABSTRACT:
Polymers containing as little as 5 mole percent of 1-acryloyl-4-methyl piperazine are superior flocculants for treating raw sewage sludges and sludges obtained by biological degradation.

REFERENCES:
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patent: 3897333 (1975-07-01), Field et al.
patent: 3899471 (1975-08-01), Lorenz et al.
patent: 3907758 (1975-09-01), Sackman et al.
patent: 4305829 (1981-12-01), Kelsey et al.
patent: 4515658 (1985-05-01), Fong
patent: 4604213 (1986-08-01), Fong et al.
patent: 4659828 (1987-04-01), Fong

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